from tkinter import *
X=int(input())
Y=int(input())
N=int(input())
coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 0, 30, 0, 30, 10, 30, 20, 20, 20, 10, 20, 0, 20]
if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            
            print('Размер фигуры превышает максимальный размер поля')
            exit()
        
         


        

root= Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                      coords[2] *N+X, coords[3] *N+Y,
                      coords[4] *N+X, coords[5] *N+Y,
                      coords[6] *N+X, coords[7] *N+Y,
                      coords[8] *N+X, coords[9] *N+Y,
                      coords[10] *N+X, coords[11] *N+Y,
                      coords[12] *N+X, coords[13] *N+Y,
                      coords[14] *N+X, coords[15] *N+Y,
                      coords[16] *N+X, coords[17] *N+Y,
                      coords[18] *N+X, coords[19] *N+Y,
                      coords[20] *N+X, coords[21] *N+Y)

root.mainloop()
  
